take instead of get

Cargo.toml

 [package]
 name = "cortex-m-debug"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["Per Lindgren <per.lindgren@ltu.se>"]
 
 [dependencies]

src/lib.rs

 #![no_std]
+
 /// Macro for sending a formatted string through an ITM channel 0,
 /// Interleaved with other output to ITM channel 0
 #[macro_export]
 macro_rules! ip {
     ($s:expr) => {
 		{
-	    	extern crate cortex_m;
-	        #[allow(unsafe_code)]
+	        let p = cortex_m::Peripherals::take().unwrap();
+            let mut itm = p.ITM;
+
 	        cortex_m::itm::write_str(
-	            unsafe { &(&*cortex_m::peripheral::ITM.get()).stim[0] },
+	            &mut itm.stim[0],
 	            $s
 	        );
 	    }
@@ -18,7 +20,7 @@ macro_rules! ip {
 			extern crate cortex_m;
 	        #[allow(unsafe_code)]
 	        cortex_m::itm::write_fmt(
-	            unsafe { &(&*cortex_m::peripheral::ITM.get()).stim[0] },
+	            unsafe { &mut itm.stim[0] },
 	            format_args!($($arg)*)
 	        );
 		}
@@ -40,7 +42,7 @@ macro_rules! ipln {
     };
 }
 
-/// Macro for sending a formatted string overes semihosting, with a newline.
+/// Macro for sending a formatted string over semihosting, with a newline.
 #[macro_export]
 macro_rules! sprintln {
     ($($e:tt)*) => {
@@ -52,7 +54,7 @@ macro_rules! sprintln {
     }
 }
 
-/// Macro for sending a formatted string overes semihosting.
+/// Macro for sending a formatted string over semihosting.
 #[macro_export]
 macro_rules! sprint {
     ($($e:tt)*) => {